authentication.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Authentication</title>
  <script src="https://www.google.com/recaptcha/api.js" async defer></script>
  <style>
    body {
      font-family: Arial, sans-serif;
      background-color: #f4f4f4;
      margin: 0;
      padding: 20px;
    }

    h1 {
      text-align: center;
      color: #333;
    }

    form {
      max-width: 400px;
      margin: 0 auto;
      background: #fff;
      padding: 20px;
      border-radius: 5px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }

    label {
      font-weight: bold;
    }

    input[type="text"],
    input[type="password"],
    button[type="submit"] {
      width: 100%;
      padding: 10px;
      margin-bottom: 10px;
      border: 1px solid #ccc;
      border-radius: 3px;
      box-sizing: border-box;
    }

    .g-recaptcha {
      margin-bottom: 20px;
    }

    button[type="submit"] {
      background-color: #4caf50;
      color: white;
      cursor: pointer;
    }

    button[type="submit"]:hover {
      background-color: #45a049;
    }
  </style>
</head>
<body>
  <h1>Welcome to the Authentication Page</h1>
  <form id="authForm" action="process.php" method="post">
    <label for="username">Username:</label><br>
    <input type="text" id="username" name="username" required><br><br>
    
    <label for="password">Password:</label><br>
    <input type="password" id="password" name="password" required><br><br>
    
    <div class="g-recaptcha" data-sitekey="0x4AAAAAAANTaKy-EXqCxm5G"></div><br><br>
    
    <button type="submit">Submit</button>
  </form>
</body>
</html>